Mark the antlr files as generated files

This makes them marked as such and collapsed in github diffs (but still expandable)
sympy · Aug 18, 2020 · c5d7469 · c5d7469
1 parent 551e44d
commit c5d7469
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.gitattributes b/.gitattributes
@@ -1,2 +1,5 @@
 *.py    diff=python
 *.sh    eol=lf
+
+# auto-collapse generated files in github diffs
+sympy/parsing/*/_antlr/*.py    linguist-generated=true